Home / 42,508,985.40-63,763,478.10-34,005,929.40

Finding the Fourth Proportional to 42,508,985.40, 63,763,478.10 and 34,005,929.40

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Solution

The fourth proportional to 42,508,985.40, 63,763,478.10 and 34,005,929.40 is: 51,008,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508,985.40 : 63,763,478.10 = 34,005,929.40 : x
  2. Step 2: Convert to fraction form
    42,508,985.40/63,763,478.10 = 34,005,929.40/x
  3. Step 3: Cross multiply
    42,508,985.40x = 63,763,478.10 × 34,005,929.40
  4. Step 4: Simplify right side
    42,508,985.40x = 2,168,336,334,567,046
  5. Step 5: Solve for x
    x = 2,168,336,334,567,046/42,508,985.40
  6. Step 6: Final answer
    x = 51,008,894.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.